Square D | PXF36700LI | Circuit Breaker | 3-Pole | 600V

Meet the Square D PXF36700LI, a robust 3-pole circuit breaker designed for 3-phase protection in commercial and industrial electrical systems operating up to 600 volts. Built for maintenance, retrofit, and replacement projects, this unit delivers dependable overcurrent protection to safeguard equipment, wiring, and personnel from faults across all three phases.

• Three-pole configuration: ensures balanced, simultaneous interruption across all phases for safer operation in 3-phase networks.
• 600V rating: suitable for industrial and commercial distribution systems that run at higher voltages.
• Part number-based compatibility: PXF36700LI is the best reference for matching fitment; use this number to verify compatibility with Square D panels.
• Maintenance, retrofit, replacement ready: designed to slot into existing Square D installations, reducing downtime during service or upgrades.
• Trusted brand: aligns with Square D's track record of consistent performance in demanding environments.

How to ensure proper fit and safe use

• Always confirm fit and ratings before ordering. The best reference for compatibility is the part number PXF36700LI.
• Check your panel labeling to ensure the 3-pole, 600V configuration matches your system requirements.
• When replacing an existing breaker, verify that the new unit maintains the same three-phase protection configuration to preserve circuit coordination.

Ideal use cases

• Upgrading aging 3-phase panels in manufacturing facilities where reliable 600V protection is essential.
• Retrofitting electrical rooms with a proven Square D solution to improve reliability and simplify spare-parts management.
• Scheduled maintenance and replacement projects that require a direct part-number reference for quick, accurate swaps.